Largest Crystals in the World: Giant Crystal Cave, Mexico

The spectacular Giant Crystal Cave is connected to the Naica Mine, located in Chihuahua, Mexico. It goes around 300 meters bellow the surface. The main chamber contains the largest selenite crystals ever found, some of them reaching 11 meters in length, 4 meters in diameter and about 55 tons in weight.

The conditions here are extreme, with a constant temperature of 58 °C and high humidity, proving to be a dangerous environment for those who are exposed more than 10 minutes without proper equipment. The crystals are said to be 500,000 years old and were formed from the underground magma (situated below the cave) which maintained the water at a stable temperature of 50°C, saturating it with minerals, including gypsum. This process allowed the selenite crystals to grow to the unbelievable sizes that we see today.

The Cave of the Crystals in Mexico can only be visited under direct professional supervision. You can read more fascinating details about the crystal cave on BBC or on the official website of the Naica scientific project.

An extended and well-written journal about the adventure you see in these stunning photos can be read on National Geographic.

# Visiting the Crystal Cave

Unfortunately, the crystal caves at the Naica mines are open to scientific investigation only. Even in this case, each visitor needs proper equipment, as the temperature and humidity can easily overheat the human body.

22 Comments

jessie

oliver

garry cook

July 27, 2013 at 10:50 am

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Bethani

Yuko

April 21, 2014 at 9:55 am

Hi, i know it’s not really easy to go and into that cave but, I would like to know how can I go in there. I was always having a dream to go there since when I was young, but I couldn’t find any tourism to go there. I’m living in Texas right now so it’s not really far away from Mexico. I heard the article says only scientist can go there but is it true? Is there any way to go in there if I’m not scientist?

Anonymous

[…] movie, but it is pretty cool. The ancient living organisms Boston and her team discovered in the Naica mine would give a tardigrade pause — they’re between 10,000 and 50,00 years old. And they expand […]

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